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  <a name="EN-US_TOPIC_0000002211651517"></a><a name="EN-US_TOPIC_0000002211651517"></a>
  <h1 class="topictitle1">Registering a Database (Applicable to the Cluster Deployment Mode)</h1>
  <div>
   <p>This section describes how to register a DB2 database cluster when the database to be protected is deployed in a cluster.</p>
   <div class="section">
    <h4 class="sectiontitle">Procedure</h4>
    <ol>
     <li><span>On the DB2 page, click the <span class="uicontrol"><b><span><strong>Cluster</strong></span></b></span> tab.</span></li>
     <li><span>Click <span class="uicontrol"><b><span><strong>Register</strong></span></b></span>.</span></li>
     <li><span>On the <span class="uicontrol"><b><span><strong>Register</strong></span></b></span> page, customize a cluster name and select the type and cluster node.</span></li>
     <li><span><a href="#EN-US_TOPIC_0000002211651517__table8422135145120">Table 1</a> describes the related parameters.</span><p></p>
      <div class="tablenoborder">
       <a name="EN-US_TOPIC_0000002211651517__table8422135145120"></a><a name="table8422135145120"></a>
       <table cellpadding="4" cellspacing="0" summary="" id="EN-US_TOPIC_0000002211651517__table8422135145120" frame="border" border="1" rules="all">
        <caption>
         <b>Table 1 </b>Parameters for registering a cluster
        </caption>
        <colgroup>
         <col style="width:17.16%">
         <col style="width:82.84%">
        </colgroup>
        <thead align="left">
         <tr>
          <th align="left" class="cellrowborder" valign="top" width="17.16%" id="mcps1.3.2.2.4.2.1.2.3.1.1"><p>Parameter</p></th>
          <th align="left" class="cellrowborder" valign="top" width="82.84%" id="mcps1.3.2.2.4.2.1.2.3.1.2"><p>Description</p></th>
         </tr>
        </thead>
        <tbody>
         <tr>
          <td class="cellrowborder" valign="top" width="17.16%" headers="mcps1.3.2.2.4.2.1.2.3.1.1 "><p><span><strong>Name</strong></span></p></td>
          <td class="cellrowborder" valign="top" width="82.84%" headers="mcps1.3.2.2.4.2.1.2.3.1.2 "><p>User-defined cluster name.</p></td>
         </tr>
         <tr>
          <td class="cellrowborder" valign="top" width="17.16%" headers="mcps1.3.2.2.4.2.1.2.3.1.1 "><p><span><strong>Type</strong></span></p></td>
          <td class="cellrowborder" valign="top" width="82.84%" headers="mcps1.3.2.2.4.2.1.2.3.1.2 ">
           <div class="p">
            The value can be <strong>Database Partitioning Feature</strong>, <strong>PowerHA</strong>, <strong>HADR</strong>, or <strong>RHEL HA</strong>.
            <div class="note">
             <span class="notetitle"> NOTE: </span>
             <div class="notebody">
              <p>RHEL HA clusters are supported in 1.6.0 and later versions.</p>
             </div>
            </div>
           </div>
           <div class="p">
            To determine the cluster type, perform the following steps:
            <ul>
             <li><strong>HADR</strong>
              <ol type="a">
               <li>Use PuTTY to log in to the host where the DB2 database resides.</li>
               <li>Switch to the DB2 database user, for example, <strong>db2inst1</strong>.<pre class="screen">su - <strong><em>db2inst1</em></strong></pre></li>
               <li>Check whether the cluster is of the <strong>HADR</strong> type. Database <strong>HADRDB</strong> is used as an example.<pre class="screen">db2 get db cfg for <strong><em>HADRDB</em></strong> | grep -i 'HADR'</pre> <p>In the command output, <strong>HADR</strong> is displayed in the right column, indicating that the cluster is of the <strong>HADR</strong> type.</p> <p><span><img src="en-us_image_0000002202659726.png"></span></p></li>
               <li>Check the status of the HADR cluster. For example, run the following command to check the HADR cluster status for database <strong>HADRDB</strong>:<pre class="screen">db2pd -db <strong><em>HADRDB</em></strong> -hadr</pre>
                <ul>
                 <li>The command output shown in the following figure indicates the active node in the HADR cluster.<p><span><img src="en-us_image_0000002202860144.png"></span></p></li>
                 <li>The command output shown in the following figure indicates the standby node in the HADR cluster.<p><span><img src="en-us_image_0000002202669294.png"></span></p></li>
                </ul></li>
              </ol></li>
             <li><strong>Database Partitioning Feature</strong>
              <ol type="a">
               <li>Use PuTTY to log in to the host where the DB2 database resides.</li>
               <li>Switch to the DB2 database user, for example, <strong>db2inst1</strong>.<pre class="screen">su - <strong><em>db2inst1</em></strong></pre></li>
               <li>Check whether the cluster is of the <strong>Database Partitioning Feature</strong> type.<pre class="screen">$ db2 get db cfg for <em>Database name</em> | grep -i 'partition'</pre>
                <div class="p">
                 In the command output, <strong>Database Partitioning Feature</strong> indicates that the cluster is of the <strong>Database Partitioning Feature</strong> type.
                 <pre class="screen">Catalog database partition number                (CATALOGPARTITION) = 0
 Partitioning strategy                               (DATABASEPARTITIONINGSTRATEGY) = Database Partitioning Feature</pre>
                </div></li>
              </ol></li>
             <li><strong>PowerHA</strong>
              <ol type="a">
               <li>Use PuTTY to log in to the host where the DB2 database resides.</li>
               <li>Check whether the OS is AIX.<pre class="screen">uname -s</pre> <p>In the command output, if <strong>AIX</strong> is displayed, go to <a href="#EN-US_TOPIC_0000002211651517__li16833191931114">3</a>. If <strong>AIX</strong> is not displayed, the cluster type is not PowerHA.</p></li>
               <li id="EN-US_TOPIC_0000002211651517__li16833191931114"><a name="EN-US_TOPIC_0000002211651517__li16833191931114"></a><a name="li16833191931114"></a>Check whether the cluster is of the <strong>PowerHA</strong> type.<pre class="screen">lssrc -g cluster</pre> <p>In the command output, <strong>clstrmgrES</strong> and <strong>clconfd</strong> are subsystems of a PowerHA cluster, indicating that the cluster is of the <strong>PowerHA</strong> type.</p> <p><span><img src="en-us_image_0000002211989701.png"></span></p></li>
              </ol></li>
             <li><strong>RHEL HA</strong>
              <ol type="a">
               <li>Use PuTTY to log in to the host where the DB2 database resides.</li>
               <li>Check whether the cluster is of the <strong>RHEL HA</strong> type.<pre class="screen">pcs cluster status</pre> <p>The command output shown in the following figure indicates that the cluster is of the <strong>RHEL HA</strong> type.</p> <p><span><img src="en-us_image_0000002196884176.png"></span></p></li>
              </ol></li>
            </ul>
           </div></td>
         </tr>
         <tr>
          <td class="cellrowborder" valign="top" width="17.16%" headers="mcps1.3.2.2.4.2.1.2.3.1.1 "><p><span><strong>Nodes</strong></span></p></td>
          <td class="cellrowborder" valign="top" width="82.84%" headers="mcps1.3.2.2.4.2.1.2.3.1.2 "><p>Host where the DB2 instance resides.</p></td>
         </tr>
        </tbody>
       </table>
      </div> <p></p></li>
     <li><span>Click <span class="uicontrol"><b><span><strong>OK</strong></span></b></span>.</span></li>
    </ol>
   </div>
  </div>
  <div>
   <div class="familylinks">
    <div class="parentlink">
     <strong>Parent topic:</strong> <a href="en-us_topic_0000002176405212.html">Step 2: Registering a DB2 Database</a>
    </div>
   </div>
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